66 lines
1.9 KiB
Go
66 lines
1.9 KiB
Go
// Copyright 2015 CoreOS, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package command
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import (
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"fmt"
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"github.com/coreos/etcd/Godeps/_workspace/src/github.com/spf13/cobra"
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"github.com/coreos/etcd/Godeps/_workspace/src/golang.org/x/net/context"
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"github.com/coreos/etcd/Godeps/_workspace/src/google.golang.org/grpc"
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pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
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)
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// NewDeleteRangeCommand returns the cobra command for "deleteRange".
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func NewDeleteRangeCommand() *cobra.Command {
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return &cobra.Command{
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Use: "delete-range",
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Short: "DeleteRange deletes the given range from the store.",
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Run: deleteRangeCommandFunc,
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}
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}
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// deleteRangeCommandFunc executes the "deleteRange" command.
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func deleteRangeCommandFunc(cmd *cobra.Command, args []string) {
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if len(args) == 0 {
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ExitWithError(ExitBadArgs, fmt.Errorf("delete-range command needs arguments."))
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}
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var rangeEnd []byte
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key := []byte(args[0])
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if len(args) > 1 {
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rangeEnd = []byte(args[1])
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}
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endpoint, err := cmd.Flags().GetString("endpoint")
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if err != nil {
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ExitWithError(ExitError, err)
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}
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conn, err := grpc.Dial(endpoint)
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if err != nil {
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ExitWithError(ExitBadConnection, err)
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}
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kv := pb.NewKVClient(conn)
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req := &pb.DeleteRangeRequest{Key: key, RangeEnd: rangeEnd}
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kv.DeleteRange(context.Background(), req)
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if rangeEnd != nil {
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fmt.Printf("range [%s, %s) is deleted\n", string(key), string(rangeEnd))
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} else {
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fmt.Printf("key %s is deleted\n", string(key))
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}
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}
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